Quick plate changing device for die cutting process

The utility model discloses a quick plate changing device for a die cutting process. The quick plate changing device comprises a top plate and a moving assembly, fixing frames are welded to the periphery of the upper side of the top plate correspondingly, the fixing frames are of L-shaped structures, mounting holes are formed in the horizontal ends of the fixing frames correspondingly, connecting columns are arranged on the periphery of the bottom side of the top plate correspondingly, a bearing plate is fixed to the bottom ends of the connecting columns, and two sliding grooves which are symmetrical in the front-back direction are formed in the bottom side of the bearing plate; two sliding blocks corresponding left and right are slidably connected into the sliding grooves correspondingly, clamping plates are welded to the bottom sides of the sliding blocks at the front end and the rear end, and fixing blocks are welded to the middles of the front side and the rear side of the bearing plate correspondingly; t